Since Samsung (manufacturer of the TSST TS-L532R) doesn't supply firmware upgrades for the HP OEM version, I suggest you contact HP technical support and inquire. Using the wrong firmware on your drive can render it useless.

Here's a thread that might provide some helpful info:
[URL="http://forums.afterdawn.com/thread_view.cfm/212635"]http://forums.afterdawn.com/thread_view.cfm/212635[/URL]

Here is how fixed that exact problem:
Method 1: Remove the registry entry

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

I've got a zv6170us I have a TSSTCorp CD/DVDW TS-L532R oniginally installed on my laptop by HP. I've scowered through HP's sites, and haven't found an update, a driver, or even seen it mentioned on their support site. I've posted a posted a message on their forum at * http://forums.itrc.hp.com/service/forums/bizsupport/questionanswer.do?threadId=1028834 * I haven't recieved any help as of yet.